<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>背景图片</title>

    <style>
        body{
            background: url("https://img1.baidu.com/it/u=931492032,3770340733&fm=26&fmt=auto");
        }


    </style>
</head>
<body>

</body>
</html>